Refrigerator



Oct. 11, 1927. L. a COPEMAN' REFRIGERATO R 5 Sheets-Sheet 2 originalvFiled June 23, 1924 I N V EN TOR.

BY 5 5 ATTORNEY.

L. G. COPEMAN Oct. 11,1927.

REFRIGERATOR Original Filed June 23, 1924 3 Shqts-Sheet 3 INVENTOR. 17 10 6. fb aekmz BY ATTORNEY.

Patented Get. 11, 1927.

STATES. UFFICE...

LLOYD G. COPEM AN, OF ELINT,.MICI-EEGA1 T, ASSIGNOR T COPEMAN LABORATORIES COMPANY, OF FLINT, MICHIGAN, A CORPORATION OF MICHIGAN.-

REFRIGERATOR;

Application filed June 23, 1924, Serial No. 721,823. Renewed. July 14, 1927.

This invention relates to a refrigerator, and is directed to a refrigerator in which the inner shell of stone material is castunited to a moulded refrigerator front, the

said refrigerator front'and inner shell being cast by means of one pouring.

Means are additionally provided for insulating the inner shell from the refrigerator front by breaking the heat conductivity. A further object is to so construct a refrigerator front that it is possible to secure an outer wall structure to said front which may be held in spaced relation with respect to the inner shell to provide a space wherein insulating material may be packed for insulating the two shells from each other.

In the drawings:

Fig. l is a sectional view through the mould showing how the refrigerator front and inner shell may be cast-united together by one pouring operation.

Fig. 2 is a similar section after the cementitious material has been poured.

Fig. 3 is perspective view of the refrigerator partly in section.

Fig. 4: is a perspective view of the outer wall structure which is to be secured to the refrigerator front. 7

Fig. is a perspective view of the fibrous insulating frame to which the inner shell and refrigerator front are cast united.

sits a section on the line 66 of ig. T is adetail section showing how the bacl; plate is secured to the inner shell and to the outer wall structure. 1

This refrigerator consists of a refrigerator front a which is provided with a plurality of door openings 6. The inner shell is designated 0 and is provided with a plurality of food chambers (Z and the ice chamber 6.

Referring to Figs. 1 and 2. it will be seen how the mould is assembled together. This mould comprises a base member f to which are bolted the side walls 9 of the outer mould box. The cores 72. are carried by the base f and are of such a size as to form the food chambers in the inner shell when the pouring takes place.

A fibrous frame i is floated within the mould by means of screws or other fastening devices These fastening devices may be secured to the fibrous frame from the inside Fastening devices 70 which are here shown;

aslarge-headed nails are partly driveninto: the fibrous frame and when the stone work: is poured into the mould'in a plastic condition the same flows around these fastening devices and securely keys the stone workto the said fibrous frame. Thisis more clearly shown in Fig. 2, which shows the stonework asbeingpoured into the mould, Pouring holes m may be provided for. in the mould so. that the stone may be poured'into the.interior of the mould which is to form the. refrigerator front.

Bushings "/1. are floated within the mould by means of the fasteningdevices 0, so that: when the stone is poured these bushings will: is embedded in the stone workofthe refrigerator front.

To complete the refrigerator assembly an outer wall structure-p of: cast stoneis secured tothe refrigerator front, as will be now described.

Cast in the front wall of-this-outer structureare a plurality of bushings q, moreclearly shown in Fig. 6. The screws 1" maybe inserted from the refrigerator front' through the bushings n and screwed into the tapped bushings Q- which, when screwed down, will securely anchor the outer wall structure to the refrigerator front. The position of the bushings is such that the outer wall structure is held in spaced-relation with respect tothe inner shell. An insulating material 8 may be packed into the spacebetween the inner shelland outer wall structure.

I provide the fibrous strips t which are cast united to the inner shell at the rear. The back plate u is secured to the inner shell and to the outer wall structure, as shown in Fig. 7, by means of the fastening devices a which are passed through the back plate and secured to the fibrous strip 25 which is cast united to the inner shell. The fastoning devices to are passed through the back plate and secured to the fibrous frame m cast united into the outer wall structure.

With this construction the inner shell and the refrigerator front may be cast with one casting operation, the front and inner shell being thereby cast-united to the fibrous frame 2', thereby forming the inner shell as a unit with the refrigerator front. Ob-

moulded refrigerator front provided with door openings, a fibrous frame member castunited to said refrigerator front and provided with door openings of like size as the openings in the refrigerator front, and a moulded inner shell provided with a plurality of food chambers and cast-united to said fibrous frame. 7

' 3; In a refrigerator, the combination of a moulded refrigerator front, a moulded inner shell, and a fibrous insulating frame, the refrigerator front cast-united to one side of said frame and the inner shell cast-united to the other side of said fibrous frame. 4:. In a refrigerator, the combination of a moulded refrigerator front, a moulded inner shell cast-united thereto, an outer wall structure, and means for securing the outer wall structure to the refrigerator front in'spaced relation with said inner shell.

5. In'arefrigerator, the combination of a moulded refrigerator front, a moulded inner shell cast-united thereto, an outer moulded wall structure, and means for securing the wall structure to said refrigerator front in spaced relation with respect to the inner shell; I

i 6. In a refrigerator, the combination of a moulded refrigerator front, a moulded inner shell cast united thereto, an outer moulded wall structure, means for securing the outer structure to the refrigerator front in spaced relation with respect to the inner shell, and an insulating material packed between the outer wall structure and said inner shell.

-7, In a refrigerator, the combination of a moulded refrigerator front, a moulded inner shell cast-united thereto, an outer moulded wall structure provided with tapped bushings cast therein, and means passing through the refrigerator front for screwing into the tapped bushings to secure. the outer wall structure to the refrigerator front in spaced relation with respect to the inner shell.

8. In a refrigerator front, the combination of a moulded refrigerator front, a moulded inner shell cast-united thereto, an outer wall structure secured to said refrigerator front in spaced relation with respect to the inner shell, and means for supporting the inner shell at the rear, said supporting means secured to both the inner shell and to the outer wall structure.

9. In a refrigerator, the combination of a moulded refrigerator front, a mould-ed inner shell cast-united thereto, an outer wall structure secured to the refrigerator front and held in spaced relation with respect to the inner shell, an insulating material packed between said inner shell and outer wall structure, and a back plate secured to both the inner shell and tothe outer wall structure for supporting the inner shell at the rear in spaced relation with respect to the outer wall structure.

- 10. In a refrigerator, the combination of a moulded refrigeratorfront, a moulded inner shell cast-united thereto, means for breaking the conductivity of the heat between the said moulded inner shell and refrigerator front, an outer wall structure and means for securing the outer .wall structure to said refrigerator front in spaced relation with respect to the inner shell.

11. In a refrigerator, the combination of a moulded inner shell of stone, a refrigerator front formed of plastic stone and a frame to which said inner shell and front are cast united for insulating the front from the inner shell.

In testimony whereof I have affixed my signature.

LLOYD e. OOPEMAN. 

